1. Corporate Officers - Y
2. Yarbenet William M.

Insider Trading History of Yarbenet William M.

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Yarbenet William M. since 2010. This trader's CIK number is 1470204. At the time of last reporting, Yarbenet William M. was the SVP & CCO of United Security Bancshares. (stock ticker symbol UBFO). Also see all insider trading activities at United Security Bancshares.

Note that in the past Yarbenet William M. also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Premierwest Bancorp (PRWT) by Yarbenet William M.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2010	PRWT	11,363	$4,999	0	$0	0	$0

Yearly summary of insider trading at United Security Bancshares (UBFO) by Yarbenet William M.

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2023	UBFO	0	$0	0	$0	2,000	$0
2023	UBFO	0	$0	10,000	$65,680	33,022	$105,930
2021	UBFO	0	$0	0	$0	2,000	$0
2020	UBFO	0	$0	0	$0	9,167	$0
2018	UBFO	0	$0	0	$0	3,333	$0
2018	UBFO	0	$0	0	$0	7,500	$0

Insider trading activities at 2 companies by Yarbenet William M.:

1. Premierwest Bancorp (PRWT)

2. United Security Bancshares (UBFO)

Table 1. Insider trading of Premierwest Bancorp (PRWT) by Yarbenet William M.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2010-03-15	PRWT	Buy	11,363	.44	4,999

Table 2. Insider trading of United Security Bancshares (UBFO) by Yarbenet William M.

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2023-12-29	UBFO	Option Ex	2,000	.00	0
2023-06-16	UBFO	Option Ex	19,022	3.65	69,430
2023-06-07	UBFO	Sale	10,000	6.57	65,680
2023-05-30	UBFO	Option Ex	10,000	3.65	36,500
2023-02-28	UBFO	Option Ex	2,000	.00	0
2022-12-30	UBFO	Option Ex	2,000	.00	0
2021-12-31	UBFO	Option Ex	2,000	.00	0
2020-12-31	UBFO	Option Ex	5,834	.00	0
2019-12-31	UBFO	Option Ex	3,333	.00	0
2018-12-31	UBFO	Option Ex	3,333	.00	0
2018-12-19	UBFO	Option Ex	7,500	.00	0

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Yarbenet William M. (SVP & CCO of United Security Bancshares at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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